interface Some{
	void doSome();
}
abstract class AbstractSome implements Some{
	public abstract void doSome();
	public void doService(){
		System.out.println("zyxfw");
	}
}
public class Main7{
	public static void main(String[] args){
		AbstractSome s=new AbstractSome(){
			public void doSome(){
				System.out.println("zyxs");
			}
			public void doService(){
			}
		};
		s.doService();
	}
}